Dear M.Rahiz,
Unfortunatelly I can't reproduce your example.
PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html>
bests
milton
On Sat, Jan 2, 2010 at 9:26 AM, Muhammad Rahiz
<muhammad.rahiz@ouce.ox.ac.uk> wrote:
> Hello useRs,
>
> I'd like to perform a moving average on the dataset, xx. I've tried
> combining the functions Reduce and rollmean but it didn't work.
>
> > r <- function(n) rollmean(n, 2) # where 2 = averaging interval
> > output < - Reduce("r", x)
> Error in f(init, x[[i]]) : unused argument(s) (x[[i]])
>
> Is there anything wrong with the code in the first place?
>
> where
> > x
>
> [[1]]
> V1 V2 V3
> [1,] 1 1 1
> [2,] 2 2 2
> [3,] 3 3 3
>
> [[2]]
> V1 V2 V3
> [1,] 4 4 4
> [2,] 5 5 5
> [3,] 6 6 6
>
> [[3]]
> V1 V2 V3
> [1,] 7 7 7
> [2,] 8 8 8
> [3,] 9 9 9
>
> The moving average is to be performed on
>
> 1,4,7 = (1+4)/2 , (4+7)/2
> 2,5,8 = ..
> 3,6,9 = ..
>
> Thanks
>
> Muhammad
>
> --
> Muhammad Rahiz | Doctoral Student in Regional Climate Modeling
> Climate Research Laboratory, School of Geography & the Environment
> Oxford University Centre for the Environment, University of Oxford
> South Parks Road, Oxford, OX1 3QY, United Kingdom
> Tel: +44 (0)1865-285194 Mobile: +44 (0)7854-625974
> Email: muhammad.rahiz@ouce.ox.ac.uk
>
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> PLEASE do read the posting guide
>
http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html>
> and provide commented, minimal, self-contained, reproducible code.
>
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